public static OperationRegistry initializeRegistry() {
try {
InputStream url = PropertyUtil.getFileFromClasspath(JAI_REGISTRY_FILE);
if (url == null) {
throw new RuntimeException("Could not find the main registry file");
}
OperationRegistry registry = new ConcurrentOperationRegistry();
if (url != null) {
registry.updateFromStream(url);
}
registry.registerServices(null);
return registry;
} catch (IOException ioe) {
ImagingListener listener = JAI.getDefaultInstance().getImagingListener();
String message = "Error occurred while initializing JAI";
listener.errorOccurred(
message, new ImagingException(message, ioe), OperationRegistry.class, false);
return null;
}
}
public void registerServices(ClassLoader cl) throws IOException {
Lock writeLock = lock.writeLock();
try {
writeLock.lock();
super.registerServices(cl);
} finally {
writeLock.unlock();
}
}
private static void initJAI(ClassLoader cl) {
System.setProperty(
"com.sun.media.jai.disableMediaLib", "true"); // disable native libraries for JAI
// Must use a new operation registry in order to register JAI operators defined in Ceres and
// BEAM
OperationRegistry operationRegistry = OperationRegistry.getThreadSafeOperationRegistry();
InputStream is = SystemUtils.class.getResourceAsStream(JAI_REGISTRY_PATH);
if (is != null) {
// Suppress ugly (and harmless) JAI error messages saying that a descriptor is already
// registered.
final PrintStream oldErr = System.err;
try {
setSystemErr(new PrintStream(new ByteArrayOutputStream()));
operationRegistry.updateFromStream(is);
operationRegistry.registerServices(cl);
JAI.getDefaultInstance().setOperationRegistry(operationRegistry);
} catch (IOException e) {
BeamLogManager.getSystemLogger()
.log(
Level.SEVERE,
MessageFormat.format("Error loading {0}: {1}", JAI_REGISTRY_PATH, e.getMessage()),
e);
} finally {
setSystemErr(oldErr);
}
} else {
BeamLogManager.getSystemLogger()
.warning(MessageFormat.format("{0} not found", JAI_REGISTRY_PATH));
}
Integer parallelism =
Integer.getInteger(
BEAM_PARALLELISM_PROPERTY_NAME, Runtime.getRuntime().availableProcessors());
JAI.getDefaultInstance().getTileScheduler().setParallelism(parallelism);
BeamLogManager.getSystemLogger()
.info(MessageFormat.format("JAI tile scheduler parallelism set to {0}", parallelism));
}
